51910488 has 96 divisors (see below), whose sum is σ = 162140160. Its totient is φ = 14696640.

The previous prime is 51910483. The next prime is 51910499. The reversal of 51910488 is 88401915.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51910483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63603 + ... + 64413.

It is an arithmetic number, because the mean of its divisors is an integer number (1688960).

Almost surely, 2^51910488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51910488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81070080).

51910488 is an abundant number, since it is smaller than the sum of its proper divisors (110229672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51910488 is a wasteful number, since it uses less digits than its factorization.

51910488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957 (or 950 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 51910488 is about 7204.8933371702. The cubic root of 51910488 is about 373.0368230986.

The spelling of 51910488 in words is "fifty-one million, nine hundred ten thousand, four hundred eighty-eight".